BRPI0514782A - process for liquid phase oxidation - Google Patents

process for liquid phase oxidation

Info

Publication number
BRPI0514782A
BRPI0514782A BRPI0514782-4A BRPI0514782A BRPI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A BR PI0514782 A BRPI0514782 A BR PI0514782A
Authority
BR
Brazil
Prior art keywords
liquid phase
phase oxidation
cta
oxidation
product
Prior art date
Application number
BRPI0514782-4A
Other languages
Portuguese (pt)
Inventor
Alan George Wonders
Gino Georges Lavoie
Charles Edwan Summer
Bryan Wayne Davenport
Original Assignee
Eastman Chem Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/154,478 external-priority patent/US20060047153A1/en
Application filed by Eastman Chem Co filed Critical Eastman Chem Co
Publication of BRPI0514782A publication Critical patent/BRPI0514782A/en

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Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCESSO PARA OXIDAçãO EM FASE LìQUIDA. São revelados um processo e aparelho otimizados para realizar de forma mais eficiente e económica a oxidação em fase líquida de um composto oxidável. Tal oxidação em fase líquida é realizada em um reator de coluna de bolhas que permite uma reação altamente eficiente a temperaturas relativamente baixas. Quando o composto oxidado é para-xileno e o produto da reação de oxidação é ácido tereftálico bruto (CTA), tal produto CTA pode ser purificado e separado por técnicas mais económicas do que as que poderiam ser empregadas se o CTA fosse formado por um processo convencional de oxidação a alta temperatura.Process for liquid phase oxidation. An optimized process and apparatus for more efficiently and economically performing liquid phase oxidation of an oxidizable compound is disclosed. Such liquid phase oxidation is performed in a bubble column reactor that allows a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the oxidation reaction product is crude terephthalic acid (CTA), such CTA product may be purified and separated by more economical techniques than could be employed if the CTA were formed by a process. conventional high temperature oxidation.

BRPI0514782-4A 2004-09-02 2005-08-29 process for liquid phase oxidation BRPI0514782A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US60649404P 2004-09-02 2004-09-02
US63149404P 2004-11-29 2004-11-29
US11/154,478 US20060047153A1 (en) 2004-09-02 2005-06-16 Optimized liquid-phase oxidation
PCT/US2005/030854 WO2006028815A2 (en) 2004-09-02 2005-08-29 Optimized liquid-phase oxidation

Publications (1)

Publication Number Publication Date
BRPI0514782A true BRPI0514782A (en) 2008-06-24

Family

ID=39529471

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514782-4A BRPI0514782A (en) 2004-09-02 2005-08-29 process for liquid phase oxidation

Country Status (1)

Country Link
BR (1) BRPI0514782A (en)

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A E 7A ANUIDADE(S).

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2167 DE 17/07/2012.